Allegedly, on or about 4 April 2018, Go Canes sent:
> The first is overscan - the NUC is used as a media PC, and is hooked
> up via an A/V receiver to a HDTV using HDMI.  Unfortunately there
> doesn't seem to be a way to tell the TV to turn off the overscan.

Are you able to rename the input socket used on the TV?  On some sets,
if you name it "PC," it will switch off overscan.

Your "zooming" problem is probably related.

> The third issue is that sometimes I lose the display more-or-less
> completely.  I switch the receiver to the NUC, and I get a black
> screen.  If I reboot (via a ssh session), I get nothing.  To get the
> display back, I have to poweroff and cold boot.  The login screen is
> fine, but after logging-in, KDE seems to be set for a lower
> resolution (800x600?) than the TV is using (1080i), and I have go
> into "System Settings" to correct it - which is difficult when you
> can't really read the display very well!

I've seen that kind of thing where Linux is setting resolutions
automatically based on the monitor's capabilities.  But, at the time
that X was figuring this information out, the monitor hadn't come out
of standby mode, and wasn't responding to probes.

Does that sound like the timing of events with your issue?

[tim@localhost ~]$ uname -rsvp
Linux 4.15.10-200.fc26.x86_64 #1 SMP Thu Mar 15 17:14:41 UTC 2018 x86_64

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